# Senior Software Engineer, Database (SmithDB)

Hiring organization: [LangChain](https://career.thegoodapps.co/organizations/langchain)

Canonical page: https://career.thegoodapps.co/jobs/b5205c58-70b1-4d9e-a701-00a6b8c0dd74

Listed on LangChain's own careers site. Applications go to them directly.

- Seniority: Senior
- Location: San Francisco, CA
- Salary: 175000 – 240000 USD per year

## Summary

LangChain is building SmithDB, a specialized database system for AI observability, and needs a systems engineer to optimize its storage layer, query execution, and scaling. This role suits experienced database engineers comfortable with low-level performance work in Rust and distributed systems.

_Our summary, not LangChain's wording._

## Skills named

Amazon S3, C++, Kubernetes, Rust

## Required

- 5+ years in systems or database engineering
- Strong experience in a systems programming language (Rust preferred)
- Systems performance analysis proficiency (memory allocation, CPU profiling, async runtimes)
- Strong fundamentals in networking, OS concepts, and systems debugging

## Nice to have

- Knowledge of database internals (query engines, storage systems, indexing, compaction)
- Experience with similar query execution engines
- Kubernetes experience
- Distributed systems experience
- Cloud object storage experience

Apply on LangChain's site: https://jobs.ashbyhq.com/langchain/068b2e23-af01-42c7-9bce-d86976ea4d6e/application